void straight(int power);
void straight_gyro(int power, int direction);
void turn(int power_left, int power_right);
void turn_gyro(int power_left, int power_right, int direction);

void straight(int power)
{side_left(power);
side_right(power);
return;}

void straight_gyro(int power, int direction)
{int diff=gyro_heading-offset;
turn(speed+diff,speed-diff);
return;}

void turn(int power_left, int power_right);
{side_left(power_left);
side_right(power_right);
return;}
